[lldb] Rename DemangleWithRichManglingInfo to GetRichManglingInfo (NFC)

This addresses Pavel's comment from D118814.

lldb/include/lldb/Core/Mangled.h

@@ -226,10 +226,9 @@ public:
   /// Function signature for filtering mangled names.
   using SkipMangledNameFn = bool(llvm::StringRef, ManglingScheme);
 
-  /// Trigger explicit demangling to obtain rich mangling information. This is
-  /// optimized for batch processing while populating a name index. To get the
-  /// pure demangled name string for a single entity, use GetDemangledName()
-  /// instead.
+  /// Get rich mangling information. This is optimized for batch processing
+  /// while populating a name index. To get the pure demangled name string for
+  /// a single entity, use GetDemangledName() instead.
   ///
   /// For names that match the Itanium mangling scheme, this uses LLVM's
   /// ItaniumPartialDemangler. All other names fall back to LLDB's builtin
@@ -248,8 +247,8 @@ public:
   ///
   /// \return
   ///     True on success, false otherwise.
-  bool DemangleWithRichManglingInfo(RichManglingContext &context,
-                                    SkipMangledNameFn *skip_mangled_name);
+  bool GetRichManglingInfo(RichManglingContext &context,
+                           SkipMangledNameFn *skip_mangled_name);
 
   /// Try to identify the mangling scheme used.
   /// \param[in] name

lldb/source/Core/Mangled.cpp

@@ -195,8 +195,8 @@ static char *GetDLangDemangledStr(const char *M) {
 
 // Explicit demangling for scheduled requests during batch processing. This
 // makes use of ItaniumPartialDemangler's rich demangle info
-bool Mangled::DemangleWithRichManglingInfo(
-    RichManglingContext &context, SkipMangledNameFn *skip_mangled_name) {
+bool Mangled::GetRichManglingInfo(RichManglingContext &context,
+                                  SkipMangledNameFn *skip_mangled_name) {
   // Others are not meant to arrive here. ObjC names or C's main() for example
   // have their names stored in m_demangled, while m_mangled is empty.
   assert(m_mangled);

lldb/source/Symbol/Symtab.cpp

@@ -328,7 +328,7 @@ void Symtab::InitNameIndexes() {
 
         const SymbolType type = symbol->GetType();
         if (type == eSymbolTypeCode || type == eSymbolTypeResolver) {
-          if (mangled.DemangleWithRichManglingInfo(rmc, lldb_skip_name)) {
+          if (mangled.GetRichManglingInfo(rmc, lldb_skip_name)) {
             RegisterMangledNameEntry(value, class_contexts, backlog, rmc);
             continue;
           }